如下图所示,INA333采用单电源5V供电,当输入电压Vget1和Vget2不相互关联,输入电压范围在0~48V时。
输出电压VIN0和VIN2的电压现象正常,当V-gnd1和Vget2相连时,输入电压范围在0~48V时,输出电压
VIN0和VIN2的电压均为0,现象不正常,测量电压时发现一个现象R2,R3上竟然有电压。
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您好,两个输入电压最大分别是48V,如果Vget2和V-GND1相连,这样回路就都以V-GND2为参考点了,且不考虑Vget1和Vget2两个输入电压的电压是怎样变化的,V1和V-GND1输入共模电压在输入电压最大48V时就至少48V了。